Connector

Abstract

A connector housing includes a hole having a minimum size that a lead section of a connector terminal to penetrate, and a guide wall which is formed along an outer peripheral of the hole, and is protruded in a direction which a lead section protrudes from the connector housing to a bending section of the lead section, wherein, by which inner walls of the guide wall is mutually and directly in contact with side surfaces of the lead section over a height near a top end side of the lead section in a bending section of the lead section from an outer peripheral of the hole, a sealing structure is formed from the bending section of the lead section to an interior of the connector housing.

The invention claimed is: 
     
       1. A connector, comprising:
 a connector terminal having an insertion section including a terminal metal fitting to electrically connect to an external connecting terminal, and a lead section that has a first end fixed to an end portion of said insertion section, has a second end connected to a substrate, and has a bent shape; and 
 a connector housing to hold said connector terminal, 
 wherein said connector housing comprises: 
 a through hole having a minimum size that said lead section to penetrate by inserting said connector terminal, which is provided with said lead section, from an insertion side of an external connecting terminal of said connector housing, and 
 a guide wall which is formed along an outer peripheral of said through hole, and is protruded in a direction which said lead section protrudes from said connector housing, 
 wherein said lead section has a quadrangle cross-sectional shape, said top end portion of said lead section is coincident with an inserting direction to said connector housing of said connector terminal in a holding state to said connector housing, and said lead section comprises a bending section near a top end side of said lead section and a bending section near an insertion section side of said lead section, so as to be a substantially “Z”-shape which is extended to a position which is offset to a center position of said connector housing against a fixed point to said insertion section, 
 wherein said bending section near said insertion section side is formed to be located near said outer peripheral of said through hole of said connector housing, 
 wherein said guide wall is provided with surrounding three surfaces of said lead section which are both side surfaces to said offset direction side of said lead section, and a surface of a back surface side to said offset direction side of said lead section, 
 wherein said guide wall has a height which said both side surfaces disposed to said offset direction side of said lead section, are covered from said outer peripheral of said through hole to a portion from said bending section near said top end side of said lead section to said bending section near said insertion section side of said lead section, and has a height which said back surface disposed to said offset direction side of said lead section, is covered from said outer peripheral of said through hole to said bending section near said top end side of said lead section, 
 wherein said inner walls of said guide wall are directly in contact with said side walls of said lead section, 
 wherein a seal lip section is provided so as to stand from a peripheral of an opening of said bending portion side near said top end side of said lead section at an top end of said guide wall, and seals by covering said three side surfaces of said lead section near an top end of said guide wall, which are protruded from said top end of said guide wall, and are both side surfaces to said offset direction side of said lead section, and a surface of said back surface side to said offset direction side of said lead section, and 
 wherein said seal lip section forms a sealing structure from said bending sections of said lead section to an interior of said connector housing by attaching said three side surfaces of said lead section to said top end of said guide wall by using a flexible synthetic resin or elastomer, which has electrical insulation, heat conductivity and flexibility, and an adhesive or by using a self-fusing material, which has electrical insulation, heat conductivity and flexibility. 
 
     
     
       2. The connector according to  claim 1 , wherein said connector housing includes a press fitting hole which said connector terminal is press-fitted, and said insertion section includes a press fitting section that press-fits said fixed end side of said lead section into said press fitting hole. 
     
     
       3. The connector according to  claim 2 , wherein said press fitting section includes minute protrusions which protrude from side end sections of said insertion section to side directions. 
     
     
       4. The connector according to  claim 3 , wherein said insertion section is provided adjacent to said press fitting section opposed to said fixed side of said lead section, and comprises stoppers which protrude from an outer peripheral of said press fitting hole to a side direction. 
     
     
       5. The connector according to  claim 1 , wherein said terminal metal fitting is a connecting terminal which is used for power-supply and has a flat plate shape. 
     
     
       6. The connector according to  claim 1 , wherein said connector housing is made by a heat conductive resin. 
     
     
       7. A connector, comprising:
 a connector terminal having an insertion section including a terminal metal fitting to electrically connect to an external connecting terminal, and a lead section that has a first end fixed to an end portion of said insertion section, has a second end connected to a substrate, and has a bent shape; and 
 a connector housing to hold said connector terminal, 
 wherein said connector housing comprises: 
 a through hole having a minimum size that said lead section can penetrate by inserting said connector terminal, which is provided with said lead section, from an insertion side of an external connecting terminal of said connector housing, and 
 a guide wall which is formed along an outer peripheral of said through hole, and is protruded in a direction which said lead section protrudes from said connector housing, 
 wherein said lead section has a quadrangle cross-sectional shape, said top end portion of said lead section is coincident with an inserting direction to said connector housing of said connector terminal in a holding state to said connector housing, and said lead section comprises a bending section near a top end side of said lead section and a bending section near an insertion section side of said lead section, so as to be a substantially “Z”-shape which is extended to a position which is offset to a center position of said connector housing against a fixed point to said insertion section, 
 wherein said bending section near said insertion section side is formed to be located near said outer peripheral of said through hole of said connector housing, 
 wherein said guide wall is provided with surrounding four surfaces of said lead section which are both side surfaces to said offset direction side of said lead section, a surface of a back surface side to said offset direction side of said lead section, and a front surface to said offset direction side of lead section, 
 wherein said guide wall has a height which said both side surfaces disposed to said offset direction side of said lead section, are covered from said outer peripheral of said through hole to a portion from said bending section near said top end side of said lead section to said bending section near said insertion section side of said lead section, has a height which said back surface disposed to said offset direction side of said lead section, is covered from said outer peripheral of said through hole to said bending section near said top end side of said lead section, and has a height which said front surface disposed to said offset direction side of said lead section, is covered from said outer peripheral of said through hole to said bending section near said insertion section side of said lead section, 
 wherein said inner walls of said guide wall are directly in contact with said side walls of said lead section, 
 wherein a seal lip section is provided so as to stand from a peripheral of an opening of said bending portion side near said top end side of said lead section at an top end of said guide wall, and seals by covering said three side surfaces of said lead section near an top end of said guide wall, which are protruded from said top end of said guide wall, and are both side surfaces to said offset direction side of said lead section, and a surface of said back surface side to said offset direction side of said lead section, and 
 wherein said seal lip section forms a sealing structure from said bending sections of said lead section to an interior of said connector housing by attaching said three side surfaces of said lead section to said top end of said guide wall by using a flexible synthetic resin or elastomer, which has electrical insulation, heat conductivity and flexibility, and an adhesive or by using a self-fusing material, which has electrical insulation, heat conductivity and flexibility. 
 
     
     
       8. The connector according to  claim 7 , wherein said connector housing includes a press fitting hole which said connector terminal is press-fitted, and said insertion section includes a press fitting section that press-fits said fixed end side of said lead section into said press fitting hole. 
     
     
       9. The connector according to  claim 8 , wherein said press fitting section includes minute protrusions which protrude from side end sections of said insertion section to side directions. 
     
     
       10. The connector according to  claim 9 , wherein said insertion section is provided adjacent to said press fitting section opposed to said fixed side of said lead section, and comprises stoppers which protrude from an outer peripheral of said press fitting hole to a side direction. 
     
     
       11. The connector according to  claim 7 , wherein said terminal metal fitting is a connecting terminal which is used for power-supply and has a flat plate shape. 
     
     
       12. The connector according to  claim 7 , wherein said connector housing is made by a heat conductive resin. 
     
     
       13. A connector, comprising:
 a connector terminal having an insertion section including a terminal metal fitting to electrically connect to an external connecting terminal, and a lead section that has a first end fixed to an end portion of said insertion section, has a second end connected to a substrate, and has a bent shape; and 
 a connector housing to hold said connector terminal, 
 wherein said connector housing comprises: 
 a through hole having a minimum size that said lead section can penetrate by inserting said connector terminal, which is provided with said lead section, from an insertion side of an external connecting terminal of said connector housing, and 
 a guide wall which is formed along an outer peripheral of said through hole, and is protruded in a direction which said lead section protrudes from said connector housing, 
 wherein said lead section has a quadrangle cross-sectional shape, said top end portion of said lead section is coincident with an inserting direction to said connector housing of said connector terminal in a holding state to said connector housing, and said lead section comprises a bending section near a top end side of said lead section and a bending section near an insertion section side of said lead section, so as to be a substantially “Z”-shape which is extended to a position which is offset to a center position of said connector housing against a fixed point to said insertion section, 
 wherein said bending section near said insertion section side is formed to be located near said outer peripheral of said through hole of said connector housing, 
 wherein said guide wall is provided with surrounding four surfaces of said lead section which are both side surfaces to said offset direction side of said lead section, a surface of a back surface side to said offset direction side of said lead section, and a front surface to said offset direction side of lead section, 
 wherein said guide wall has a height which said both side surfaces disposed to said offset direction side of said lead section, are covered from said outer peripheral of said through hole to a portion from said bending section near said top end side of said lead section to said bending section near said insertion section side of said lead section, has a height which said back surface disposed to said offset direction side of said lead section, is covered from said outer peripheral of said through hole to said bending section near said top end side of said lead section, and has a height which said front surface disposed to said offset direction side of said lead section, is covered from said outer peripheral of said through hole to said bending section near said insertion section side of said lead section, 
 wherein said inner walls of said guide wall are directly in contact with said side walls of said lead section, 
 wherein a seal lip section is provided so as to stand from a peripheral of an opening of said bending portion side near said top end side of said lead section at an top end of said guide wall, and seals by covering said four side surfaces of said lead section near an top end of said guide wall, which are protruded from said top end of said guide wall, and 
 wherein said seal lip section forms a sealing structure from said bending sections of said lead section to an interior of said connector housing by attaching said three side surfaces of said lead section to said top end of said guide wall by using a flexible synthetic resin or elastomer, which has electrical insulation, heat conductivity and flexibility, and an adhesive or by using a self-fusing material, which has electrical insulation, heat conductivity and flexibility. 
 
     
     
       14. The connector according to  claim 13 , wherein said connector housing includes a press fitting hole which said connector terminal is press-fitted, and said insertion section includes a press fitting section that press-fits said fixed end side of said lead section into said press fitting hole. 
     
     
       15. The connector according to  claim 14 , wherein said press fitting section includes minute protrusions which protrude from side end sections of said insertion section to side directions. 
     
     
       16. The connector according to  claim 15 , wherein said insertion section is provided adjacent to said press fitting section opposed to said fixed side of said lead section, and comprises stoppers which protrude from an outer peripheral of said press fitting hole to a side direction. 
     
     
       17. The connector according to  claim 13 , wherein said terminal metal fitting is a connecting terminal which is used for power-supply and has a flat plate shape. 
     
     
       18. The connector according to  claim 13 , wherein said connector housing is made by a heat conductive resin.